Wilbers Fork Spring - Zero friction - Progressive WESA we successfully combined Wilbers suspension

we successfully combined Wilbers suspension technology with the BMW ESA system at the beginning of 2010 — a perfect union of innovation and performance

and custom cafe racers

Tuned for predictable road manners with a comfortable initial stroke and strong mid-stroke support

Revolutionize your motorcycle's front suspension with the YSS PD Valve

C* = Substitute spring cap

Wilbers Fork Spring - Zero friction - Progressive WESA we successfully combined Wilbers suspensionWilbers progressive fork springs ZERO Friction finishing Our vibratory finishing process (trough vibrator with tailored media) micro polishes the spring surface. The resulting fine, shiny finish reduces surface roughness and friction hence ZERO Friction. Pair with our specially formulated Wilbers fork oil and the specified air chamber for your vehicle to maximize performance. Product may differ from the picture. Recommended viscosity and air chamber: